303_series
303 series
Japanese train type
The 303 series (303系) is a DC electric multiple unit (EMU) commuter train type operated by Kyushu Railway Company (JR Kyushu) on Chikuhi Line and Fukuoka Subway Kuko Line through-running services in Kyushu, Japan, since 22 January 2000.[1]
| 303 series | |
|---|---|
A 303 series train in August 2017 | |
| In service | January 2000 – present |
| Manufacturer | Kinki Sharyo |
| Constructed | 1999–2002 |
| Number built | 18 vehicles (3 sets) |
| Number in service | 18 vehicles (3 sets) |
| Formation | 6 cars per trainset |
| Fleet numbers | K01–K03 |
| Operators | JR Kyushu |
| Depots | Karatsu |
| Lines served | Chikuhi Line, Fukuoka Subway Kuko Line |
| Specifications | |
| Car body construction | Stainless steel |
| Car length | 20.25 m (66 ft 5 in) (end cars) 20 m (65 ft 7 in) (intermediate cars) |
| Width | 2.8 m (9 ft 2 in) |
| Height | 3.62–4.05 m (11 ft 11 in – 13 ft 3 in) |
| Floor height | 1.13 m (3 ft 8 in) |
| Doors | 4 pairs per side |
| Maximum speed |
|
| Traction system | Hitachi or Toyo Denki IGBT–VVVF |
| Traction motors | 16 × MT401K 150 kW (200 hp) 3-phase AC induction motor |
| Power output | 2.4 MW (3,200 hp) |
| Electric system(s) | 1,500 V DC Overhead catenary |
| Current collector(s) | Pantograph |
| Bogies | DT405K, TR405K |
| Safety system(s) | ATC, ATO |
| Track gauge | 1,067 mm (3 ft 6 in) |
The 303 series trains were designed to augment the 103-1500 series EMUs used on the Chikuhi Line, coinciding with double-tracking of the section between Shimoyamato and Chikuzen-Maebaru.[2] The trains have lightweight stainless bodies with painted steel cab ends.[2]
The 303 series trains are used on through services between Nishi-Karatsu the Chikuhi Line and Fukuokakūkō on the Fukuoka Subway Kuko Line.[3] They are compatible with automatic train operation (ATO) used on the Fukuoka Subway tracks, and are also equipped for wanman driver only operation.[2]
The fleet consists of three six-car sets, numbered K01 to K03 and based at Karatsu Depot. The sets are formed as shown below with four motored ("M") intermediate cars and non-powered driving trailer ("Tc") cars, with car 1 at the Nishi-Karatsu end.[2][3]
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Designation | Tc | M | M' | M | M' | Tc' |
| Numbering | KuHa 303 | MoHa 303-100 | MoHa 302-0 | MoHa 303-0 | MoHa 302-100 | KuHa 302 |
| Weight (t) | 28.4 | 33.6 | 32.4 | 32.4 | 32.7 | 26.4 |
| Capacity (total/seated) | 140/45 | 153/51 | 153/51 | 153/51 | 153/51 | 140/45 |
Cars 2 and 5 are each equipped with two PS402K single-arm pantographs.[3]
Passenger accommodation consists of longitudinal bench seating throughout.[2] Car 1 has a universal access toilet.[3]
- Interior view, July 2010
- The universal-access toilet in car 1, July 2010
The trains entered service on 22 January 2000.[3] A toilet was retrofitted to car 1 in each set between 2003 and 2004 at JR Kyushu's Kokura Works.[3]
The three sets were built by Kinki Sharyo between 1999 and 2002.[3] The fleet build details are as shown below.[3]
| Set No. | Manufacturer | Date delivered | Toilet added |
|---|---|---|---|
| K01 | Kinki Sharyo | 1 December 1999 | 21 October 2003 |
| K02 | 4 December 1999 | 7 November 2003 | |
| K03 | 28 August 2002 | 30 January 2004 |
- Haraguchi, Takayuki (2009). Encyclopedia of JR's Railway Cars: ＪＲ全車両. Japan: Sekai Bunka. p. ６７. ISBN 978-4-418-09905-4.
- JR全車輌ハンドブック2009 [JR Rolling Stock Handbook 2009]. Japan: Neko Publishing. 2009. pp. 385–386, 637. ISBN 978-4-7770-0836-0.
- JR電車編成表 2014夏 [JR EMU Formations - Summer 2014]. Japan: Kotsu Shimbunsha. 30 May 2014. p. 220. ISBN 978-4-330-46614-9.